497  
FZUS51 KBOX 220205  
CWFBOX  
 
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1005 PM EDT SUN JUL 21 2024  
 
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT  
TO 25 NM  
 
ANZ200-221500-  
1005 PM EDT SUN JUL 21 2024  
   
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
 
 
WEAK HIGH PRESSURE BUILDS ACROSS THE MA AND RI WATERS TONIGHT INTO  
MONDAY, PROVIDING PLEASANT BOATING WEATHER. WEAK LOW PRESSURE ALONG  
A WARM FRONT WILL IMPACT THE WATERS WITH WIDESPREAD SHOWERS AND  
POSSIBLY ISOLATED THUNDERSTORMS MONDAY NIGHT INTO TUESDAY. REMAINING  
UNSETTLED WEDNESDAY WITH A STALLED BOUNDARY OVER/NEAR THE WATERS.  
SHOWERS AND THUNDERSTORMS BECOME MORE NUMEROUS THURSDAY AHEAD OF AN  
APPROACHING COLD FRONT. IMPROVING/DRYING CONDITIONS FRIDAY AND INTO  
NEXT WEEKEND, AS HIGH PRESSURE BUILDS INTO NEW ENGLAND.  
 

 
 
ANZ250-221500-  
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK  
NATIONAL MARINE SANCTUARY-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
S WINDS AROUND 5 KT, BECOMING N. SEAS AROUND 2 FT.  
WAVE DETAIL: SE 2 FT AT 9 SECONDS AND W 1 FOOT AT 2 SECONDS.  
PATCHY FOG WITH VSBY 1 NM OR LESS.    
MON
 
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND N 1 FOOT AT  
2 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.    
MON NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 6 SECONDS AND N 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER  
MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
TUE
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE  
2 FT AT 4 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS.  
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT AND WED
 
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: SE 2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE  
OF SHOWERS.    
WED NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS  
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND SE 2 FT AT  
10 SECONDS. A CHANCE OF SHOWERS.    
THU AND THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A  
CHANCE OF SHOWERS.    
FRI
 
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF  
SHOWERS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ251-221500-  
MASSACHUSETTS BAY AND IPSWICH BAY-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
S WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR  
LESS, THEN AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E  
1 FOOT AT 3 SECONDS, BECOMING E 1 FOOT AT 3 SECONDS AND SE 1 FOOT  
AT 10 SECONDS. PATCHY FOG WITH VSBY 1 TO 3 NM.    
MON
 
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND NW 1 FOOT AT  
2 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.    
MON NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
SE 2 FT AT 9 SECONDS AND E 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER  
MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.   
TUE
 
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN  
1 FOOT OR LESS. WAVE DETAIL: SE 1 FOOT AT 3 SECONDS AND SE 1 FOOT  
AT 10 SECONDS, BECOMING E 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT  
10 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING. PATCHY FOG IN  
THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT AND WED
 
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: E 2 FT AT 10 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE  
OF SHOWERS.    
WED NIGHT
 
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS  
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND SE 1 FOOT AT  
9 SECONDS. A CHANCE OF SHOWERS.   
THU AND THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A  
CHANCE OF SHOWERS.    
FRI
 
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF  
SHOWERS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ231-221500-  
CAPE COD BAY-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
SE WINDS AROUND 5 KT, BECOMING N. SEAS 1 FOOT OR  
LESS. WAVE DETAIL: W 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT  
2 SECONDS. PATCHY FOG WITH VSBY 1 NM OR LESS.    
MON
 
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS  
1 FOOT OR LESS. WAVE DETAIL: N 1 FOOT AT 2 SECONDS AND SE 1 FOOT  
AT 8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.    
MON NIGHT
 
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE  
DETAIL: SW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 2 SECONDS. PATCHY  
FOG AFTER MIDNIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT WITH VSBY  
1 TO 3 NM.    
TUE
 
E WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: SE  
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 3 SECONDS. SHOWERS LIKELY,  
MAINLY IN THE MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO  
3 NM.    
TUE NIGHT
 
SE WINDS 5 TO 10 KT, BECOMING E AFTER MIDNIGHT. SEAS  
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND SW 1 FOOT  
AT 3 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WED AND WED NIGHT
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE  
DETAIL: S 2 FT AT 8 SECONDS AND E 1 FOOT AT 2 SECONDS. A CHANCE  
OF SHOWERS.    
THU
 
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF  
SHOWERS.    
THU NIGHT AND FRI
 
SW WINDS 5 TO 10 KT, BECOMING NW. SEAS  
AROUND 2 FT. A CHANCE OF SHOWERS.    
FRI NIGHT
 
W WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ254-221500-  
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA  
OUT 20 NM-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
SW WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
SE 2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. VSBY  
1 NM OR LESS.    
MON
 
SE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 10 SECONDS AND W 1 FOOT AT  
2 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.    
MON NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 9 SECONDS AND W 1 FOOT AT 3 SECONDS. PATCHY FOG. A CHANCE  
OF SHOWERS AFTER MIDNIGHT. VSBY 1 TO 3 NM.    
TUE
 
SE WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE  
3 FT AT 9 SECONDS AND SE 1 FOOT AT 2 SECONDS. SHOWERS LIKELY,  
MAINLY IN THE MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO  
3 NM.    
TUE NIGHT
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 8 SECONDS.    
WED AND WED NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE  
DETAIL: S 3 FT AT 7 SECONDS AND E 1 FOOT AT 5 SECONDS. A CHANCE  
OF SHOWERS.    
THU THROUGH FRI
 
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE  
OF SHOWERS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ255-221500-  
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD  
AND NANTUCKET-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.    
MON
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT  
AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY 1 TO  
3 NM.    
MON NIGHT
 
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 8 SECONDS. PATCHY FOG. SHOWERS LIKELY AFTER MIDNIGHT.  
VSBY 1 TO 3 NM.    
TUE
 
SE WINDS 10 TO 15 KT, BECOMING S IN THE AFTERNOON. SEAS  
2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SE 1 FOOT AT  
2 SECONDS. SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT AND WED
 
S WINDS AROUND 10 KT. SEAS 2 TO 4 FT. WAVE  
DETAIL: S 4 FT AT 7 SECONDS. A CHANCE OF SHOWERS.    
WED NIGHT
 
SW WINDS AROUND 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL:  
SW 5 FT AT 8 SECONDS AND NE 1 FOOT AT 5 SECONDS. A CHANCE OF  
SHOWERS.    
THU
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.   
THU NIGHT AND FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
SHOWERS LIKELY.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ256-221500-  
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT  
TO 20 NM SOUTH OF BLOCK ISLAND-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,  
DIMINISHING TO 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT  
AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.    
MON
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT  
AT 9 SECONDS AND W 1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY 1 TO  
3 NM.    
MON NIGHT
 
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 10 SECONDS. PATCHY FOG AFTER MIDNIGHT. SHOWERS LIKELY  
AFTER MIDNIGHT.    
TUE
 
SE WINDS AROUND 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 9 SECONDS. SHOWERS LIKELY IN  
THE MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON. PATCHY FOG IN  
THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT THROUGH WED NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 3 TO  
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS. A CHANCE OF SHOWERS.    
THU
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO  
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS. A CHANCE OF SHOWERS.    
THU NIGHT
 
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS  
4 TO 5 FT. SHOWERS LIKELY.    
FRI
 
W WINDS AROUND 10 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.   
FRI NIGHT
 
NW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ232-221500-  
NANTUCKET SOUND-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
W WINDS 5 TO 10 KT, DIMINISHING TO AROUND 5 KT. SEAS  
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 3 SECONDS AND S 1 FOOT AT  
7 SECONDS.    
MON
 
NW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: W 1 FOOT AT 3 SECONDS AND S 1 FOOT AT  
7 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.    
MON NIGHT
 
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:  
S 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS. SHOWERS LIKELY  
AFTER MIDNIGHT.    
TUE
 
SE WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE  
2 FT AT 4 SECONDS. SHOWERS LIKELY IN THE MORNING. A CHANCE OF  
SHOWERS IN THE AFTERNOON. PATCHY FOG IN THE MORNING WITH VSBY  
1 TO 3 NM.    
TUE NIGHT AND WED
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE  
OF SHOWERS.    
WED NIGHT
 
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:  
S 2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS. A CHANCE OF  
SHOWERS.    
THU THROUGH FRI
 
W WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE  
OF SHOWERS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ233-221500-  
VINEYARD SOUND-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S  
2 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.    
MON
 
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SW 1 FOOT AT  
4 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
MON NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S  
2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG AFTER  
MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.    
TUE
 
E WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SE 1 FOOT AT  
2 SECONDS. SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT AND WED
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE  
OF SHOWERS.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 7 SECONDS AND SW 1 FOOT AT 2 SECONDS. A CHANCE OF  
SHOWERS.    
THU THROUGH FRI
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE  
OF SHOWERS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ234-221500-  
BUZZARDS BAY-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
SW WINDS 5 TO 10 KT, BECOMING W. SEAS AROUND 2 FT.  
WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS.    
MON
 
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND S 1 FOOT AT  
7 SECONDS.    
MON NIGHT
 
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E  
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG.  
SHOWERS LIKELY AFTER MIDNIGHT. VSBY 1 TO 3 NM.    
TUE
 
E WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT IN THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: S  
2 FT AT 7 SECONDS AND SE 1 FOOT AT 2 SECONDS, BECOMING SE 1 FOOT  
AT 2 SECONDS AND SW 1 FOOT AT 3 SECONDS. SHOWERS LIKELY, MAINLY  
IN THE MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT AND WED
 
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE  
DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT AT 3 SECONDS. A CHANCE  
OF SHOWERS.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW  
3 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. A CHANCE OF  
SHOWERS.    
THU THROUGH FRI
 
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.  
SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ235-221500-  
RHODE ISLAND SOUND-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS.    
MON
 
W WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SW 1 FOOT AT  
3 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
MON NIGHT
 
S WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS  
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 9 SECONDS. PATCHY FOG.  
SHOWERS LIKELY AFTER MIDNIGHT. VSBY 1 TO 3 NM.    
TUE
 
E WINDS AROUND 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND SE 1 FOOT AT  
2 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING. PATCHY FOG IN  
THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT AND WED
 
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE  
DETAIL: S 4 FT AT 7 SECONDS. A CHANCE OF SHOWERS.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S  
4 FT AT 8 SECONDS. A CHANCE OF SHOWERS.    
THU THROUGH FRI
 
SW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. A CHANCE  
OF SHOWERS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ237-221500-  
BLOCK ISLAND SOUND-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S  
2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.    
MON
 
SW WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 8 SECONDS AND SW 1 FOOT AT  
3 SECONDS.    
MON NIGHT
 
S WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. SEAS  
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 10 SECONDS. PATCHY FOG AFTER  
MIDNIGHT. SHOWERS LIKELY AFTER MIDNIGHT.    
TUE
 
E WINDS AROUND 10 KT, BECOMING S IN THE AFTERNOON. SEAS  
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND E 1 FOOT AT  
3 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING. PATCHY FOG IN  
THE MORNING WITH VSBY 1 TO 3 NM.   
TUE NIGHT AND WED
 
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE  
DETAIL: S 3 FT AT 7 SECONDS AND E 1 FOOT AT 4 SECONDS. A CHANCE  
OF SHOWERS.    
WED NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S  
4 FT AT 8 SECONDS. A CHANCE OF SHOWERS.    
THU AND THU NIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A  
CHANCE OF SHOWERS.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ230-221500-  
BOSTON HARBOR-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
LIGHT AND VARIABLE WINDS, BECOMING N AROUND 5 KT.  
WAVES 1 FOOT OR LESS.    
MON
 
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE  
OF SHOWERS AFTER MIDNIGHT.    
TUE
 
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. SHOWERS LIKELY,  
MAINLY IN THE MORNING. PATCHY FOG IN THE MORNING WITH VSBY 1 TO  
3 NM.    
TUE NIGHT AND WED
 
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A  
CHANCE OF SHOWERS.    
WED NIGHT
 
E WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.  
WAVES 1 FOOT OR LESS. A CHANCE OF SHOWERS.    
THU AND THU NIGHT
 
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A  
CHANCE OF SHOWERS.    
FRI AND FRI NIGHT
 
N WINDS 5 TO 10 KT, BECOMING W. WAVES 1 FOOT  
OR LESS.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
ANZ236-221500-  
NARRAGANSETT BAY-  
1005 PM EDT SUN JUL 21 2024  
   
OVERNIGHT
 
W WINDS AROUND 5 KT. WAVES AROUND 2 FT.    
MON
 
NE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES  
AROUND 2 FT.    
MON NIGHT
 
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. A CHANCE OF  
SHOWERS AFTER MIDNIGHT.    
TUE
 
E WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. WAVES  
AROUND 2 FT. SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS  
IN THE AFTERNOON. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.    
TUE NIGHT
 
S WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT.  
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.    
WED AND WED NIGHT
 
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A  
CHANCE OF SHOWERS.    
THU THROUGH FRI
 
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE  
OF SHOWERS.    
FRI NIGHT
 
NW WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.  
 
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE  
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE  
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 

 
 
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